St Bernadine of Siena OFM (1380-1444) (Optional Memorial)
Biography:
https://anastpaul.com/2017/05/20/saint-of-the-day-20-may-st-bernardine-of-siena/
St Abercius
Bl Albert of Bologna
St Alexander of Edessa
St Althryda
St Anastasius of Brescia
St Aquila of Egypt
Bl Arnaldo Serra and Companions
St Asterius of Edessa
St Austregisilus of Bourges
St Basilla of Rome
St Baudelius of Nîmes
St Codrato
Bl Columba of Rieti
St Ethelbert of East Anglia (Died 794) Martyr
His Life:
https://anastpaul.com/2019/05/20/saint-of-the-day-20-may-saint-ethelbert-died-794-martyr/
Bl Guy de Gherardesca
St Helena
St Hilary of Toulouse
St José Pérez Fernández
St Lucifer of Caglieri
St Marcello
Blessed Maria Crescencia / Angelica Perez FMH (1897-1932)
St Plautilla of Rome
St Protasius Chong Kuk-bo
St Rafaél García Torres
St Talaleo of Egea
St Thalalaeus of Edessa
St Theodore of Pavia
St Tomás Valera González